100Pcs 3W Led Popular Q&A

Q: How many lumen in a 2.3w led bulb?
A: It's going to vary more on the led quality than anything else. The norm would be about 120 lumen, with super brights putting out 220. Read More »

Q: How long will a 12v 2.5ah battery run a 3w LED?
A: 12w at 12v = 1amp. 3/12=0.25. 0.25amp = 250ma. 2.5ah= 2.5amps per hour. 2.5/0.25=10. A 3w led at 12v 2.5ah battery will last 10 hours. Read More »

Q: Where to buy 3w 420nm led?
A: Hi guys, Here has. 3W 420nm High Power. LED. Read More »

Q: How to control High-powered 3W RGB LED with Arduino?
A: The home page for the Arduino doesn't seem to list what it's current capacity is. I didn't find it in a quick look anyway. I'd connect the outputs from the Ardu... Read More »

Q: Where to buy 3W 420nm High Power LED?
A: Hi guys, here has 3W 420nm high power led in herostart.com. Read More »

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